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    <meta charset="UTF-8">
    <meta name="viewport" content="width= , initial-scale=1.0">
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    <title>Document</title>
    <script>document.write('<b>这是加粗文本</b>');</script>
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<body>
   这是<script>document.write('内嵌文本');</script> 
</body>
</html>